Kenwood TS-990S, Service Manual

Page: 25 / 54

J K L M N O P Q R S I H G F E D C B A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
D
G
S
D
G S D
G
S
D
G
S
D
G
S
D
G
S
D
G
S
IC18
1
4
8
5
R402
R404
C25
＋
R405
R212
R406
R213
R407
IC20
1
3
5 4
R214
R408
R215
R216
R217
R411
R222
R223
R418
R225
R419
R226
R227
R229
R420
R421
C42
C43
R423
R424
R231
R232
R426
C47
R233
R427
C49
R237
R239
C50
C200
C201
C52
C202
C53
C203
C54
C204
C56
R242
C206
C58
R244
C208
R245
R246
R247
C400
R249
C401
C402
C210
C404
C61
C211
C405
C62
＋
C406
C407
C64
R250
C214
C408
C215
Q11
C66
C216
C67
C217
Q13
R254
C218 C219
R256
Q16
R257
Q17
R258
Q18
C410
R259
Q19
C220
R645
C72
＋
R646
C416
R647
C73
C223
C74
R260
C224
Q20
R649
C75
R261
C225
Q21
C76
R262
C226
C77
R263
Q23
C78
Q24
C79
R265
C229
Q25
R266
R267
R650
R268
Q28
C420
R269
Q29
R654
C80
C424
R655
C231
C425
R656
C426
R657
C83
C233
C427
R270
Q30
C428
C84
C85
R271
Q31
C429
R272
C236
C87
R273
C237
Q34
C89
Q35 Q36
R277
R278
Q39
C90
C91
C241
C242
C243
R280
Q40
C438
R281
C245
C439
C96
R282
C97
C247
C98
C248
C99
C249
R287
C440
Q49
C441
TC1
TC2
TC3
C250
TC4
TC5
C446
C253
C254
R291
C255
Q51
C256
Q53
C257
Q54
R295
Q55
R296
D2
Q57
D3
R298
Q58
D4
R299
C451
D5
C452
D6
C453
D7
C260
D8
C455
D9
C262
C264
Q60
C265
C266
Q63
C267
Q64
C268
C269
Q66
Q68
L100
C461
C462
C463
C270
L104
C271
L105
L106
C273
L107
C274
C468
C275
C469
C276
C277
C470
L110
C471
L111
L112
C280
L115
C282
C476
L116
C283
C477
L117
C284
C285
C289
C482
C483
L123
C290
C484
L124
C291
C485
C486
C293
C487
C294
C488
C489
L129
C295
C296
C297
C298
C299
C490
L130
C492
C494
C495
L135
C496
L136
C497
C498
C499
L142
L144
L145
L146
L147
L148
L149
R100
R101
R102
R103
L151
R105
L153
L154
D10
D11
D12
D13
D14
R300
L159
D15
R301
D16
R302
D17
R303
D18
R304
D19
R112
R113
R307
L160
L161
R115
R309
L162
R117
R118
L165
R119
R310
L169
D25
R311
D26
D27
R313
D28
R314
D29
R316
L170
R125
CN35
R126
L8
D30
R128
R129
L9
R320
D35
D36
R322
R323
R324
R131
CN42
R132
R327
R328
SD_CV
R135
R329
R136
15.6M
R137
DDS_O
D40
R138
L10
32.1M
R139
L11
L12
D43
R330
L14
C103
S_CV
R140
R334
R141
L19
C105
VCO_OUT
R336
R143
C107
＋ ＋
R144
C109
62.4M
R145
R339
R146
R147
R148
L20
CN59
R149
D52
L22
C302
D53
D54
C304
D55
C305
D56
R342
IC2
C112
C306
R343
L27
C307
R150
R344
L28
C308
R345
D59 R151
C309
R346
R152
CN63
R153
C500
CN64
CN65
R155
C119
C501
R349
CN66
C502
R157
R158
L30
C310
CF1
C311
C312
C506
L33
C313
C507
R350
C120
C314
R10
L35
C315
R11
C509
R352
L36
C122
C316
R12
R353
C123
L37
C317
R13
L38
R355
R161
C125
C319
R162
C126
R17
C127
R164
R358
C128
R18
C510
C511
＋ ＋
C512
R167
R168
L40
C514
R169
C321
C515
L42
C322
C516
C323
R360
L44
C324
C518
R361
C325
R362
L46
C132
L47
C133
C327
L48
R171
L49
C329 Q1
C711
R172
Q2
R173
R367
Q3
R174
C520
C715
R175
R29
R176
C522
R177
C523
R178
L50
C330
C524
R179
L51
C331
C525
C140
R371
L55
C141
R372
L56
R373
L57
R374
C338
R181
C145
C339
R182
C146
R36
R2
R183
R377
C147
R37
R3
R184
R378
C148
R38
R4
R185
R379
C149
R39
C531
R5
R6
R187
R7
R188
L60
C340
C534
R8
R189
L61
C341
R9
L62
C537
L64
C150
C538
R381
L65
C151
C539
R382
L66
C152
C346
R42
R383
L67
C347
C153
R190
R44
R191
L69
C155
R45
R192
C156
R46
R193
R387
C157
R388
C158
R195
R389 C541
C159
R196
R197
C543
R198
R199
L71
L72
C352
L73
C353
C160
L75
C161
R392
L76
C162
C356
R393
L77
C357
C163
R394
C358
R395
L79
C165
C359
R55
R396
C166
C167
R399
C552
C553
C360
C554
L81
C362
L82
L83
C363
L84
C170
C364
R60
C558
L85
C171
R61
C559
L86
C172
C366
R62
L87
C173
C367
R63
L88
R64
C369
L89
C176
R66
C177
R67
C560
C178
R68
C561
C179
R69
L90
C370
L92
C372
C180
R70
L95
C181
R71
C376
C184
C378
C185
C379
R75
R76
C188
C189
C572
C573
C380
C574
C575
C382
C577
C578
C191
C579
R82
C193
R83
C194
C388
R85
R86
C197
R87
C580
C199
R89
C581 C582
C583
C584
CN1
C391
C392
14SL
C588
R90
C589
R91
C396
R92
C397
R93
R94
C399
R95
X1
R200
R201
R202
R203
R204
IC11
1
8
16
12
9
R205
IC14
R208
IC15
R209
IC16
1
5
15
11
20 16
6 10
1
1 2
G
6
3 4
1
12
37 24
36 25
13 48
14SL GND
8V
GND
1 4
＋
GND
NC(X50v2)
SLDT
NC
1
15
2
16
SLCK
UL
MLRST
SDEN1
SDIO
SDEN2
SDEN3
SPEN1
SPEN2
SPEN3
SLSEN
GND
Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address
IC2
IC11
IC14
IC15
IC16
IC18
IC20
Q1
Q2
Q3
Q11
Q13
Q16
Q17
Q18
Q19
Q20
Q21
Q23
Q24
Q25
Q28
Q29
Q30
Q31
Q34
Q35
Q36
Q39
Q40
Q49
Q51
Q53
Q54
Q55
Q57
Q58
Q60
Q63
Q64
Q66
Q68
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
D16
D17
D18
D19
D25
D26
D27
D28
D29
D30
D35
D36
D40
D43
D52
D53
D54
D55
D56
D59
7H
9M
7K
6I
8G
5R
8F
4P
6Q
8N
8L
5Q
5N
8B
7B
6Q
9L
8K
5L
5M
7Q
9J
9J
4K
4K
7Q
5K
5K
6B
4B
9H
9B
8F
8E
8E
5O
7E
9E
7G
8G
7P
6F
7D
6D
4Q
6N
8C
6C
6N
8A
7A
9J
5D
4D
5C
4C
6I
6A
5A
6G
6I
4J
3J
4J
5I
4J
4I
5J
4H
4H
4N
4F
4F
3F
3F
8G
TS-990S
PC BOARD
PLL(SUB) UNIT (X50-3230-00)
Component side view (J79-0342-19)
Component side
Layer 1
Layer 2
Layer 3
Layer 4
Foil side
J79-0342-19
25